Home / 20,780,429.10-31,170,643.65-20,780,429.10

Finding the Fourth Proportional to 20,780,429.10, 31,170,643.65 and 20,780,429.10

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Solution

The fourth proportional to 20,780,429.10, 31,170,643.65 and 20,780,429.10 is: 31,170,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,780,429.10 : 31,170,643.65 = 20,780,429.10 : x
  2. Step 2: Convert to fraction form
    20,780,429.10/31,170,643.65 = 20,780,429.10/x
  3. Step 3: Cross multiply
    20,780,429.10x = 31,170,643.65 × 20,780,429.10
  4. Step 4: Simplify right side
    20,780,429.10x = 647,739,350,370,190.25
  5. Step 5: Solve for x
    x = 647,739,350,370,190.25/20,780,429.10
  6. Step 6: Final answer
    x = 31,170,643.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.